/*
 * Copyright (c) 2009 Piotr Piastucki
 *
 * This file is part of Patchca CAPTCHA library.
 *
 * Patchca is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * Patchca is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Patchca. If not, see <http://www.gnu.org/licenses/>.
 */
package org.patchca.color;

import java.awt.Color;

public class GradientColorFactory implements ColorFactory {

	private Color	start;
	private Color	step;

	public GradientColorFactory() {
		this.start = new Color(192, 192, 0);
		this.step = new Color(192, 128, 128);
	}

	@Override
	public Color getColor(int index) {
		return new Color((this.start.getRed() + this.step.getRed() * index) % 256, (this.start.getGreen() + this.step.getGreen() * index) % 256,
				(this.start.getBlue() + this.step.getBlue() * index) % 256);
	}

	public void setStart(Color start) {
		this.start = start;
	}

	public void setStep(Color step) {
		this.step = step;
	}

}
